Table 3. Demographic data of interviewed children.

Participant number	Age	Gender	Diagnosis	Walking pattern	FMSc			Adherence to Dutch Guidelines for Healthy Physical Activity	Education (regular/special)
1	17	Ga	Visual impairment	Normal	6	5	5	No	Mainstream
2	10	G	None	Normal	6	6	6	Yes	Mainstream
3	8	G	None	Normal	6	6	6	No	Mainstream
4	12	Bb	Unknown developmental retardation	Wheelchair	1	1	1	No	Special
5	17	B	Cerebral Palsy	Wheelchair	1	1	1	No	Mainstream
6	9	G	Spina Bifidia	Normal	6	6	6	No	Mainstream
7	9	G	Brain disorder	Normal	6	6	6	Yes	Mainstream
8	12	G	None	Normal	6	6	6	Yes	Mainstream
9	14	G	Nephrological failure	Normal	6	6	6	No	Mainstream
10	12	G	Cerebral Palsy	Atypical	5	5	5	No	Special
11	6	B	None	Normal	6	6	6	No	Mainstream
12	16	B	None	Normal	6	6	6	Yes	Mainstream

^aG girl

^bB boy

^cFMS Functional Mobility Scale [29]. 1: uses wheelchair; 2: uses a walker or frame; 3: uses crutches; 4: uses sticks; 5: independent on level surfaces; 6: independent on all surfaces.